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Home >> Ford >> 2012 >> Explorer Base, 3.5 8, AWD, 6F50 >> Repair and Diagnosis >> External Pages >> Different car >> Section 244 (Exterior Lighting System) >> Description And Operation >> Headlamps >> Component Description >> Ballast

Component Description: Ballast

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There is a ballast located within each headlamp assembly. They are provided power at all times. The ballasts provide high voltage to the HID  bulbs when a voltage signal is detected from the BCM  .